Hammer drill
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Description
The broken lines shown in the drawings represent portions of the hammer drill that form no part of the claimed design.
Claims
The ornamental design for the hammer drill, as shown and described.
Referenced Cited
U.S. Patent Documents
D310936 | October 2, 1990 | Saito et al. |
D431766 | October 10, 2000 | Zurwelle |
D442452 | May 22, 2001 | Stirm et al. |
D447032 | August 28, 2001 | Schoen et al. |
D494033 | August 10, 2004 | Thomas et al. |
D533421 | December 12, 2006 | Aglassinger |
D535537 | January 23, 2007 | Aglassinger |
D587547 | March 3, 2009 | Aglassinger |
D594304 | June 16, 2009 | Aglassinger |
D602322 | October 20, 2009 | Chu |
D615838 | May 18, 2010 | Aglassinger |
20040050568 | March 18, 2004 | Orozco, Jr. |
20060108133 | May 25, 2006 | Yamazaki |
Patent History
Patent number: D631721
Type: Grant
Filed: Sep 24, 2010
Date of Patent: Feb 1, 2011
Assignee: Robert Bosch GmbH (Stuttgart)
Inventor: Hans-Peter Aglassinger (Esslingen)
Primary Examiner: Austin Murphy
Attorney: Victor A. Henzi
Application Number: 29/375,555
Type: Grant
Filed: Sep 24, 2010
Date of Patent: Feb 1, 2011
Assignee: Robert Bosch GmbH (Stuttgart)
Inventor: Hans-Peter Aglassinger (Esslingen)
Primary Examiner: Austin Murphy
Attorney: Victor A. Henzi
Application Number: 29/375,555
Classifications
Current U.S. Class:
D8/67